Case Studies

Offshore Renewable Energy Cable Trenching

Water Jetting Spread

A Mass Flow Excavation contractor encountered more cohesive soils than anticipated during an offshore renewable energy cable trenching operation.

Hiretech mobilised a fully a self-contained water jetting spread on to the client vessel to overcome the cohesive soils. Self-priming lift pumps, high pressure/high flow centrifugal pumps, a powered umbilical reel and suction and delivery hoses were supplied to complete the trenching on a 24/7 pumping schedule for 45 days duration.

The cable was successfully and cost effectively trenched.

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